单项选择题

（） evidence that language-acquiring ability must be stimulated.

A. It being
B. It is
C. There is
D. There being

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They usually have less money at the end of the month than （） at the beginning.

A. which is
B. which was
C. they do
D. it is
单项选择题
Ann never dreams of （） for her to be sent abroad very soon.

A. there being a chance
B. there to be a chance
C. there be a chance
D. being a chance
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